Update actions versions to Node 20 (#205)

Author: Gold856

.github/workflows/gradle-wrapper-validation.yml

@@ -6,5 +6,5 @@ jobs:
     name: "Validation"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: gradle/wrapper-validation-action@v1
+      - uses: actions/checkout@v4
+      - uses: gradle/actions/wrapper-validation@v3

.github/workflows/main.yml

@@ -9,8 +9,8 @@ jobs:
          os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-java@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-java@v4
       with:
         java-version: 11
         distribution: 'zulu'
@@ -37,8 +37,8 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-java@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
         with:
           java-version: 11
           distribution: 'zulu'